Home / 107,705.62-148,536.99-67,423.05

Finding the Fourth Proportional to 107,705.62, 148,536.99 and 67,423.05

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Solution

The fourth proportional to 107,705.62, 148,536.99 and 67,423.05 is: 92,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,705.62 : 148,536.99 = 67,423.05 : x
  2. Step 2: Convert to fraction form
    107,705.62/148,536.99 = 67,423.05/x
  3. Step 3: Cross multiply
    107,705.62x = 148,536.99 × 67,423.05
  4. Step 4: Simplify right side
    107,705.62x = 10,014,816,903.62
  5. Step 5: Solve for x
    x = 10,014,816,903.62/107,705.62
  6. Step 6: Final answer
    x = 92,983.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.